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_aTN145 _bB76 |
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| 100 | 1 |
_aBrookins, Douglas G., _eautor |
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| 245 | 1 | 0 |
_aMineral and energy resources : _bOccurrence, exploitation and environmental impact / _cDouglas g. brookins |
| 264 | 1 |
_aColumbus : _bMerrill, _cc1990 |
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| 300 | _aix, 389 páginas | ||
| 650 | _aMinas y riquezas minerales | ||
| 650 | _aRecursos energéticos | ||
| 650 |
_aIndustria minera _xAspectos ambientales |
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| 650 |
_aFuerza y energía _xIndustrias _xAspectos ambientales. |
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| 336 |
_atexto _2rdacontent |
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| 337 |
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